package cn.edu.scau.cmi.zhuangxipan.chapter5;

public class Circle_2 {
	double x,y,radius;
	public void setX(double a) {
		x=a;
	}
	public double getX() {
		return x;
	}
	public void setY(double b) {
		y=b;
	}
	public double getY() {
		return y;
	}
	public void setRadius(double r) {
		if(r>0)
			radius=r;
	}
	public double getRadius() {
		return radius;
	}

}
